1030303313 has 8 divisors (see below), whose sum is σ = 1109855208. Its totient is φ = 950793984.

The previous prime is 1030303303. The next prime is 1030303333. The reversal of 1030303313 is 3133030301.

It can be written as a sum of positive squares in 4 ways, for example, as 44782864 + 985520449 = 6692^2 + 31393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1030303313 - 2⁴ = 1030303297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030303291 and 1030303300.

It is not an unprimeable number, because it can be changed into a prime (1030303303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54395 + ... + 70847.

It is an arithmetic number, because the mean of its divisors is an integer number (138731901).

Almost surely, 2^1030303313 is an apocalyptic number.

1030303313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1030303313 is a deficient number, since it is larger than the sum of its proper divisors (79551895).

1030303313 is a wasteful number, since it uses less digits than its factorization.

1030303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 1030303313 is about 32098.3381657057. The cubic root of 1030303313 is about 1010.0007558077. Note that the first 3 decimals are identical.

Adding to 1030303313 its reverse (3133030301), we get a palindrome (4163333614).

The spelling of 1030303313 in words is "one billion, thirty million, three hundred three thousand, three hundred thirteen".